-23.33% is the change from 270 to 207
Calculation steps:
[( 207 - 270 ) ÷ 270] x 100 = -23.33%
Formula
Percentage change = [(207 - 270) / 270] x 100
Subtract the new number by the original number
207 - 270 = -63
-63 ÷ 270 = -0.23333333333333334
-0.23333333333333334 x 100 = -23.33%